[1] Zou Shangzhang, Liu Nan, Pan Zhiwen, You Xiaohu, et al. An enhanced almost blank sub-frame managementfor efficient eICIC in non-uniform HetNets [J]. Journal of Southeast University (English Edition), 2017, 33 (1): 14-21. [doi:10.3969/j.issn.1003-7985.2017.01.003]

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An enhanced almost blank sub-frame managementfor efficient eICIC in non-uniform HetNets()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

33

Issue:

2017 1

Page:

14-21

Research Field:

Information and Communication Engineering

Publishing date:

2017-03-30

Info

Title:

An enhanced almost blank sub-frame managementfor efficient eICIC in non-uniform HetNets

Author(s):

Zou Shangzhang;  Liu Nan;  Pan Zhiwen;  You Xiaohu

National Mobile Communications Research Laboratory, Southeast University, Nanjing 200096, China

Keywords:

low power almost blank sub-frame(LP-ABS);  inter-cell interference coordination(eICIC);  non-uniform heterogeneous network(HetNet)

PACS:

TN929

DOI:

10.3969/j.issn.1003-7985.2017.01.003

Abstract:

A new enhanced inter-cell interference coordination(eICIC)is adopted for managing almost blank sub-frame(ABS), which jointly exploits the time, frequency and power dimensions to improve the resource utilization. In particular, a non-uniform two tier heterogeneous network(HetNet)is considered, where the pico cells are located close to the macro cell and the number of users in each pico cell is different. To alleviate the interference caused by the co-channel deployment, the macro cells employ low power ABS(LP-ABS), and the resource blocks(RBs)are divided into two parts during an ABS. One is exclusively reserved for macro cell users and the other is reserved for pico cell users. The macro cells are allowed to use different percentages of RBs and different powers for their own transmission during the LP-ABS. The user association, resource allocation, ABS proportion, the frequency band partition parameter and the transmission power of macro cells are considered, aiming at maximizing the proportional fairness utility of the system. An iterative algorithm is also proposed and simulation results demonstrate that the proposed algorithm can improve both the system throughput and user fairness compared with the existing schemes.

References:

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Memo

Memo:

Biographies: Zou Shangzhang(1990—), male, graduate; You Xiaohu(corresponding author), male, doctor, professor, xhyu@seu.edu.cn.
Foundation items: The National Science and Technology Major Project(2016ZX03001011-005), the National Natural Science Foundation of China(No.61571123, 61521061), the Research Fund of National Mobile Communications Research Laboratory of Southeast University(No.2017A03), Qing Lan Project.
Citation: Zou Shangzhang, Liu Nan, Pan Zhiwen, et al. An enhanced almost blank sub-frame management for efficient eICIC in non-uniform HetNets[J].Journal of Southeast University(English Edition), 2017, 33(1):14-21.DOI:10.3969/j.issn.1003-7985.2017.01.003.

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